what does pv mean
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- Photovoltaics (PV) is the name of a method of converting solar energy into direct current electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon commonly studied in physics, photochemistry and electrochemistry.hotovoltaics are best known as a method for generating electric power by using solar cells to convert energy from the sun into a flow of electrons. The photovoltaic effect refers to photons of light exciting electrons into a higher state of energy, allowing them to act as charge carriers for an electric current.
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voltage 2. voltage-the difference in electrical charge between two points in a circuit expressed in volts. electric potential, potential difference, potential drop, potential. electrical phenomenon-a physical phenomenon involving electricity.olt·age. n. A measure of the difference in electric potential between two points in space, a material, or an electric circuit, expressed in volts.
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- PVR: Peripheral Vascular Resistance (biology) PVR: Postvoid residual (urine volume) PVR: Pocket Video Recorder: PVR: Pulse Volume Recording: PVR: Perception Video Recorder: PVR: Priya Village Roadshow (India cinema) PVR: Photovoltaic Radiator: PVR: Premature Voluntary Release: PVR: Potential Vertical Rise: PVR: Parallel Volume Rendering: PVR
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- PVR: Personal Video Recorder: PVR: Pulmonary Vascular Resistance: PVR: Post-Void Residual: PVR: Proliferative Vitreoretinopathy (ophthalmology) PVR: Plant Variety Rights (UK) PVR: Poliovirus Receptor: PVR: Peripheral Vascular Resistance (biology) PVR: Postvoid residual (urine volume) PVR: Pocket Video Recorder: PVR: Pulse Volume Recording: PVR: Perception Video Recorder: PVR
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BATTERY The noun BATTERY has 7 senses: 1. group of guns or missile launchers operated together at one place. 2. a device that produces electricity; may have several primary or secondary cells arranged in parallel or series. 3. a collection of related things intended for use together.4. a unit composed of the pitcher and catcher.alvanic battery; voltaic battery (battery consisting of a number of voltaic cells arranged in series or parallel). galvanic pile; pile; voltaic pile (battery consisting of voltaic cells arranged in series; the earliest electric battery devised by Volta).
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Aggressive Dogs Q&A Investopedia explains Present Value (PV). This may sound confusing, but it really is not. The basic idea is that receiving $1,000 now is worth more than receiving $1,000 five years from now, because a person who has money today can invest it and receive an additional return over the five years.resent Value. The worth of a future amount of money at specific point in time. If one expects an investment to result in a cash flow at a certain time in the future, calculating the cash flow's present value will help the investor decide whether the investment results in a real profit.
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- It is also sometimes called erythrocytosis, which means too many red blood cells. And it used to be called polycythaemia rubra vera or PCRV. PV is a type of rare blood disorder called a myeloproliferative neoplasm.These are conditions that cause an increase in the number of blood cells.t is also sometimes called erythrocytosis, which means too many red blood cells. And it used to be called polycythaemia rubra vera or PCRV. PV is a type of rare blood disorder called a myeloproliferative neoplasm.
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Key Date of The US 2017 Section 201 Safeguard Investigation Last Update: 2015-10-14. Definition of PV Grade: Poly silicon chunk with high purity can be directly produced to Solar PV Ingots / Bricks. Definition of 2nd Grade: Poly silicon chunk must be mixed with high purity polysilicon, when producing Solar PV Ingots / Bricks.
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photovoltaic cell (PV Cell) A photovoltaic cell (PV cell) is a specialized semiconductor diode that converts visible light into direct current (DC). Some PV cells can also convert infrared (IR) or ultraviolet (UV) radiation into DC electricity.Photovoltaic cells are an integral part of solar-electric energy systems, which are becoming increasingly important as alternative sources of utility power.n a PV cell, flat pieces of these materials are placed together, and the physical boundary between them is called the P-N junction. The device is constructed in such a way that the junction can be exposed to visible light, IR, or UV.
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- P — Abbreviation for power. Peak — The maximum instantaneous value of a varying voltage or current. Peak Current — The maximum value of an alternating current. Period — The time required for a complete cycle of alternating current or voltage; for 60 cycles per second, a period would be 1/60 second.
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Photovoltaic (PV) Systems Photovoltaic (PV) systems are used to convert sunlight into electricity. They are a safe, reliable, low-maintenance source of solar electricity that produces no on-site pollution or emissions.PV systems incur few operating costs and are easy to install on most Canadian homes.V systems convert 5% to 20% of the incident solar energy into electricity, a small portion is reflected, and the rest gets converted into heat. Without dissipating this heat, PV panels heat up and their efficiencies start to decrease.
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VOLT • VOLT (noun) The noun VOLT has 1 sense: 1. a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it.
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Voltage Definition in Physics By Andrew Zimmerman Jones. Definition: Voltage is a representation of the electric potential energy per unit charge. If a unit of electrical charge were placed in a location, the voltage indicates the potential energy of it at that point.In other words, it is a measurement of the energy contained within an electric field, or an electric circuit, at a given point. Voltage is a scalar quantity.The SI unit of voltage is the volt, such that 1 volt = 1 joule/coulomb.efinition: Voltage is a representation of the electric potential energy per unit charge. If a unit of electrical charge were placed in a location, the voltage indicates the potential energy of it at that point.
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photovoltaic cell (PV Cell) A photovoltaic cell (PV cell) is a specialized semiconductor diode that converts visible light into direct current (DC).Some PV cells can also convert infrared (IR) or ultraviolet (UV) radiation into DC electricity.Photovoltaic cells are an integral part of solar-electric energy systems, which are becoming increasingly important as alternative sources of utility power.ome PV cells can also convert infrared (IR) or ultraviolet (UV) radiation into DC electricity. Photovoltaic cells are an integral part of solar-electric energy systems, which are becoming increasingly important as alternative sources of utility power.
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What does 'Potenial Difference' mean and what does voltage mean- please help? Voltage and potential difference are the same thing. Nobody out of school uses the latter term. Voltage is the potential in an electrical circuit to cause the flow of current (ie, electrons). wikipedia: Voltage is commonly used as a short name for electrical potential difference.
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What does s/p mean? So yes, Sep 7, '11. s/p (status post) means that the client has had the procedure or event in the past. As in, s/p appendectomy means the person has had an appy; s/p overdose means the person took an overdose, etc. So, deep vein thrombosis s/p inferior vena cava filter would mean that the client has deep vein thrombosis and has had (an) inferior vena cava filter (placed). (IVC filter placement is a treatment for DVT -- the DVT came first, not after.)
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Solar Performance and Efficiency August 20, 2013 - 2:58pm. The conversion efficiency of a photovoltaic (PV) cell, or solar cell, is the percentage of the solar energy shining on a PV device that is converted into usable electricity. Improving this conversion efficiency is a key goal of research and helps make PV technologies cost-competitive with conventional sources of energy.
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PV function PV(rate,nper,pmt,fv,type). Rate is the interest rate per period. For example, if you obtain an automobile loan at a 10 percent annual interest rate and make monthly payments, your interest rate per month is 10%/12, or 0.83%. You would enter 10%/12, or 0.83%, or 0.0083, into the formula as the rate.ate is the interest rate for the loan. Nper is the total number of payments for the loan. Pv is the present value, or the total amount that a series of future payments is worth now; also known as the principal. Fv is the future value, or a cash balance you want to attain after the last payment is made.
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Premature ventricular contraction A premature ventricular contraction (PVC) — also known as a premature ventricular complex, ventricular premature contraction (or complex or complexes) (VPC), ventricular premature beat (VPB), or ventricular extrasystole (VES) — is a relatively common event where the heartbeat is initiated by Purkinje fibers in the ventricles rather than by the ...
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- Present Value Interest Factor - PVIF A factor that can be used to simplify the calculation for finding the present value of a series of values. PVIFs can be presented in the form of a table with PVIF ... www.investopedia.com
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- Curfew laws prohibit or limit your right to be out in public at certain times and are intended to maintain a certain level of order and safety in public spaces.
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SOLAR Dictionary entry overview: What does solar mean? • SOLAR (adjective) The adjective SOLAR has 1 sense: 1. relating to or derived from the sun or utilizing the energies of the sun Familiarity information: SOLAR used as an adjective is very rare.
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Persistent vegetative state Persistent vegetative state. A persistent vegetative state (PVS) is a disorder of consciousness in which patients with severe brain damage are in a state of partial arousal rather than true awareness. After four weeks in a vegetative state (VS), the patient is classified as in a persistent vegetative state. This diagnosis is classified as a permanent vegetative state some months (3 in the US and 6 in the UK) after a non-traumatic brain injury or one year after a traumatic injury.
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Tomb of the Unknown Soldier Tomb of the Unknown Soldier, Mogadishu City Centre. A monument erected in honour of the Somali men and women who died in defense of the Somali Republic. It's popularly known as Daljirka Dahsoon, and its an important landmark in Mogadishu.
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What is 'Present Value - PV' DEFINITION of 'Present Value-PV'. The current worth of a future sum of money or stream of cash flows given a specified rate of return. Future cash flows are discounted at the discount rate, and the higher the discount rate, the lower the present value of the future cash flows.Determining the appropriate discount rate is the key to properly valuing future cash flows, whether they be earnings or obligations. Also referred to as discounted value.he current worth of a future sum of money or stream of cash flows given a specified rate of return. Future cash flows are discounted at the discount rate, and the higher the discount rate, the lower the present value of the future cash flows.
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Polycythemia vera From Wikipedia, the free encyclopedia. Polycythemia (or Polycythaemia, see spelling differences) vera (PV, PCV) (also known as erythremia, primary polycythemia and polycythemia rubra vera) is a neoplasm in which the bone marrow makes too many red blood cells. It may also result in the overproduction of white blood cells and platelets. Most of the health concerns associated with polycythemia vera are caused by the blood being thicker as a result of the increased red blood cells. It is more common in the elderly and may be symptomatic or asymptomatic. Common signs and symptoms include itching (pruritus), and severe burning pain in the hands or feet that is usually accompanied by a reddish or bluish coloration of the skin. Patients with polycythemia vera are more likely to have gouty arthritis.